cccc cccp ccnc ccnp ccny ccoc ccpn ccpp cctc cctt cnco cncp cntc coco cocp coct con- conc conn cono cont cony coon coop coot copo copp copt copy cotc cotn coto cott coty coyn coyo coyt cpnt cptp ctcp ctot ctpo ctpp cttn cyc- cycc cyn- cyno cyon cypc cyt- cyto cyy- cyyc cyyn nccc nccn nccp ncct ncnc ncoc ncpc nctc nnnn nnot nntn noco noct non- nonn nono nont noo- noon nooo noop noot not- noto nott noyo noyt npcc nppc nptc nptn ntcc ntop ntpc ntto nycc nyco nycy nynt nyny nyon nypc nypt nytc occc occn occt ocon ocpp oct- octo octy onc- onco onct onno onon onoy onpt ont- ontc onto oont oooo ootp ooty opo- opon oppo oppy optn opto oto- oton otoo otoy otpp otto oynt oyon pccc pcnt pcpn pcpp pnon pnot pnpo pnpp poco ponc pono ponp pont pony poon poop poot pop- popc popo popp popt popy potc poto pott poty poyn poyo ppcc pppn pppo pppp pptn pptt ptcc ptop pttc pyn- pynt pyo- pyon pyot pypy pytt tccc tcnn tcon tcpo tcpy tctc tncc to-y toco tonn tono tony toon toot top- topo topp topt totc toto tott toty toyn toyo toyt tpcp tpon tppp tptp tpyo ttcn ttcp tton ttop ttoy tttt tyco tynt tyny typ- typo typp typy tyto tytt tyty tyyn yccc yctc ynon ynot yono yont yoon yoop yoot yopo yopy yott yoyn yoyo ypcc yyyy